Md. Towhidul Islam Khan

Experience

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  Global Access Ltd

  Jul 2005 - Jul 2010

  Senior Engineer

  Company Location : Grameen IT Park Grameen Bank Bhaban,Mirpur 2,DhakaDepartment: ServiceDuties/Responsibilities:* Lead a team of Engineers to maintain daily network operations and implementations.* Evaluate and recommendation to management regarding performance and benefits of juniors.* Designing and implementing of backbone [Both wireless and wired] connections for bothcompany and its corporate clients.* Designing, Implementing and troubleshooting Corporate Bank, Companies DATA Network usingDynamic routing and security products as per demand. Show less

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  Gram Bangla Systems Ltd

  Jul 2015 - Oct 2015

  Senior Systems Engineer

  Company Location : 14th Floor, Grameen Bank Bhaban, Mirpur-2,DhakaDepartment: ServiceDuties/Responsibilities:* Lead a team of Engineers to maintain daily network operations and implementations.* Evaluate and recommendation to management regarding performance and benefits of juniors.* Designing and implementing of backbone [Both wireless and wired] connections for bothcompany and its corporate clients.* Planning, Implementation and troubleshooting network security systems including the networkfirewalls like CISCO PIX, ASA and Juniper NetScreen. Designing IDS/IPS using Linux and PFSense.* Implement and Administration Several Windows services like AD, Web Services (IIS,Apache),DNS, E-Mail (MS Exchange), Database (MS SQL, MySql) in windows 2003,2008,2012 serverplatform.* Study and manipulation of new hardware and software offerings as per requirements of clientsand company. Show less

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  Systems Solutions & Development Technologies

  Nov 2015 - Mar 2016

  Manager Infra

  * Lead a team of Engineers to maintain daily Telecom VAS Platform operations andtroubleshooting any sort of platform issue.* Create and maintain AWS Instances and volumes in Amazon EC2.* Designing and implementing of backbone connections with Cell Phone Operators in Bangladeshand overseas.* Design and implement security policies for internal and overseas DC payment gateways ofcompany as per PCI DSS standard and ensure secure transactions.* Hardening server security for windows and Linux platform in local and foreign data centers asper PCI DSS standard. Show less

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  LP Solutions

  Apr 2016 - Nov 2017

  System Manager

  * Lead a team of Engineers to maintain daily client day to day operations problems andtroubleshooting any sort of platform issue.* Design and maintain virtualization and Cloud solutions with Several Platform like Linux,VMWare.* Designing and implementing storage with redundancy for cloud and local systems for clientsand company DC.* Ensure QoS with Multi Hybrid Vendor Hardware like Cisco, MikroTik, Barracuda.* Design and maintain Cyber Security, Content Filtering and infrastructure HA for both overseasand local DC’s for various applications using Cisco, FortiNate, PFSense, Barracuda, Linux. Show less

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  BJIT

  Dec 2017 - May 2021

  IT Manager

  • Lead a team of Engineers to maintain daily IT day to day operations problems and troubleshooting any sort of platform issue.• Perform Information Security Audit and report back to Foreign Clients of company.• Perform Information Security Awareness Training for users.• Design and maintain Data Security in IT Infrastructure with Fortinet 500D NGFW and Wazuh. • Implement and Maintain Project Management & Ticketing with Redmine, Code repository management with Git/ Gerrit, Document Management with Alfresco, SVN.• Implement & maintain VPN with foreign clients.• Wifi Network Design and implementation with cambium cnPilot. Show less

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  NDE Technology Services

  May 2021 - Dec 2023

  Project Manager IT Infra

  • Lead a team of Engineers to maintain daily IT infrastructure day to day operations problems and troubleshooting any sort of platform issue for organization & Client.• Ensure smooth Operation of Company ERP System.• Create and Maintain Active Directory Services like – User Management, Share Drive, Group Policy as per requirement. • Manage IT Assets through ERP System.• Ensure Proper Backup and Recovery of Data through Backup System.• Implement and Maintain Project Management, Code repository management with Azure DevOps Server.• Manage Client IT Projects of Company.• Design and maintain private & public Cloud Infrastructure.• Report to stack holders as per requirement of Client Project Operation. Show less

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  Webb Fontaine Bangladesh

  Jan 2024 - Apr 2024

  Documentation and Configuration Expert

  • Work With Software Development and Implementation team regarding system Deployment for Government Project.• Communicate External Parties regarding arrange of IT Infrastructure Items. • Maintain Bangladesh National Single Window IT Infrastructure in coordination with overseas DevOps Team.• Implement, Monitor and Troubleshoot Complex Micro Service architecture with VM & Kubernetes Cluster.• Implement and Manage VPN Tunnel with External Stack Holders to Bangladesh National Window System.• Maintain Documentation and change Infrastructure as per project requirement.• Follow Project management tasks as per requirement. Show less

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  ADDAR GROUP ( Client: Elm Company )

  Apr 2024 - now

  Senior Linux System Administrator

  • Maintain 500+ Linux Servers for Government Project.• Plan, Test and roll out Infrastructure Automation of Applications.• Maintain RedHat Enterprise Linux with RedHat Satellite server and Ansible Tower.• Provide System Access to Developers with PAM tools like Symentech, BroadCom Beyond Trust.• Infrastructure Automation with VMWare and Terraform, HashiCorp Vault. • Implement Production Grade KubeSpray k8s Cluster with observability tools and GitOps Tools.